166604656

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{5209}}^1$

素因数の和:7216

約数の個数: 20

約数和(自身を含む): 323020000

約数和(自身を除く): 156415344

約数列:

[1, 2, 4, 8, 16, 1999, 3998, 5209, 7996, 10418, 15992, 20836, 31984, 41672, 83344, 10412791, 20825582, 41651164, 83302328, 166604656]

約数ペア:

[(1, 166604656), (2, 83302328), (4, 41651164), (8, 20825582), (16, 10412791), (1999, 83344), (3998, 41672), (5209, 31984), (7996, 20836), (10418, 15992)]